D. K.  Dumbre, Wakharkar, R. D., and Choudhary, V. R., ?Greener ullmann-type coupling of aryl halides for preparing biaryls using reusable Pd/ZrO2 catalyst?, Synthetic Communications, vol. 41, no. 2, p. PII 931249796, 2011.

B. Ahmad Dar, Singh, S., Pandey, N., Singh, A. P., Sharma, P., Lazar, A., Sharma, M., Vishwakarma, R. A., and Singh, B., ?Clay encapsulated Cu(OH)(x) promoted homocoupling of arylboronic acids: an efficient and eco-friendly protocol?, Applied Catalysis A-General, vol. 470, pp. 232-238, 2014.

C.  Singh, Rathod, J., Jha, V., Panossian, A., Kumar, P., and Leroux, F. R., ?Modular synthesis of biaryl-substituted phosphine ligands: application in microwave-assisted palladium-catalyzed C-N cross-coupling reactions?, European Journal of Organic Chemistry, no. 29, pp. 6515-6525, 2015.

S.  Bansal, Shabade, A. B., and Punji, B., ?Advances in C(sp(2))-H/C(sp(2))-H oxidative coupling of (Hetero)arenes using 3d transition metal catalysts?, Advanced Synthesis & Catalysis, vol. 363, no. 8, pp. 1998-2022, 2021.